22044202220000 has 120 divisors (see below), whose sum is σ = 54246918798072. Its totient is φ = 8815262400000.

The previous prime is 22044202219913. The next prime is 22044202220011. The reversal of 22044202220000 is 2220244022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 73670690 + ... + 73969310.

Almost surely, 2^{22044202220000} is an apocalyptic number.

22044202220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22044202220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27123459399036).

22044202220000 is an abundant number, since it is smaller than the sum of its proper divisors (32202716578072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22044202220000 is an equidigital number, since it uses as much as digits as its factorization.

22044202220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302342 (or 302319 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22044202220000 its reverse (2220244022), we get a palindrome (22046422464022).

The spelling of 22044202220000 in words is "twenty-two trillion, forty-four billion, two hundred two million, two hundred twenty thousand".